<%@ page language="java" import="java.util.*,java.sql.*" pageEncoding="utf-8"%>

<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'dohomework2.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
   <%
     request.setCharacterEncoding("UTF-8");
 	String name = request.getParameter("sname");
 	String password = request.getParameter("password");
 	String telephone = request.getParameter("telephone");
 	String gradeid = request.getParameter("gradeid")+"";
    try{
     	Class.forName("com.mysql.jdbc.Driver");
     }catch(ClassNotFoundException e){
     	e.printStackTrace();
     	return;
    }
     String url = "jdbc:mysql://localhost:3306/test";
     String sql = "insert into student(sname,telephone,gradeid,password) values(?,?,?,?)";
    
     try {
     		Connection con = DriverManager.getConnection(url, "root", "920515");
 			PreparedStatement ps = con.prepareStatement(sql ,PreparedStatement.RETURN_GENERATED_KEYS);
 			ps.setString(1, name);
 			ps.setString(2, telephone);
 			ps.setString(3, gradeid);
 			ps.setString(4, password);
 			int row = ps.executeUpdate();
 			ResultSet rs = ps.getGeneratedKeys();
 			if(rs.next()) {
 				long id = rs.getLong(1);
 				out.print("注册成功！");
 				out.print("学号为：" + id);
 			}
 			rs.close();
 			ps.close();
 			con.close();
 			
 		} catch (Exception e) {
 			// TODO: handle exception
 			e.printStackTrace();
 		}
     
      %>
  </body>
</html>
